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Carbon probing Bronsted acidity

The aluminum is incorporated in a tetrahedral way into the mesoporous structure, given place to Bronsted acidic sites which are corroborated by FTIR using pyridine as probe molecule. The presence of aluminum reduces the quantity of amorphous carbon produced in the synthesis of carbon nanotubes which does not happen for mesoporous silica impregnated only with iron. It was observed a decrease in thermal stability of MWCNTs due to the presence of more metal particles which help to their earlier oxidation process. [Pg.209]

See other pages where Carbon probing Bronsted acidity is mentioned: [Pg.131]    [Pg.146]    [Pg.326]    [Pg.150]    [Pg.101]    [Pg.86]    [Pg.633]    [Pg.32]    [Pg.134]    [Pg.1079]    [Pg.45]    [Pg.296]    [Pg.118]   
See also in sourсe #XX -- [ Pg.140 ]



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